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Updated: Jul 6, 2026

Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering
12:22

Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering

Published on: March 1, 2016

A thermoresponsive, microtextured substrate for cell sheet engineering with defined structural organization.

Brett C Isenberg1, Yukiko Tsuda, Corin Williams

  • 1Department of Biomedical Engineering, Boston University, 44 Cummington Street, Boston, MA 02215, USA.

Biomaterials
|April 2, 2008
PubMed
Summary

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Researchers developed a simple method using microtextured substrates to create aligned vascular smooth muscle cell sheets. This technique enables controlled tissue growth and organization for tissue engineering applications.

Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Cell Biology

Background:

  • Tissue function relies on organized cellular and extracellular matrix (ECM) structures.
  • Engineering functional tissues requires methods to replicate native tissue organization.
  • Current methods lack precise control over ECM/cell organization.

Purpose of the Study:

  • To develop a simple method for generating cell sheets with defined ECM/cell organization.
  • To utilize microtextured, thermoresponsive polystyrene substrates for guiding cell organization.
  • To create transferable cell sheets for layered tissue formation.

Main Methods:

  • Utilized microtextured polystyrene substrates with alternating grooves and ridges (50 microm wide, 5 microm deep).
  • Cultured vascular smooth muscle cells on these patterned substrates.

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Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets
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Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets

Published on: October 3, 2014

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Last Updated: Jul 6, 2026

Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering
12:22

Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering

Published on: March 1, 2016

Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets
09:24

Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets

Published on: October 3, 2014

  • Assessed cell alignment and sheet integrity.
  • Investigated the transferability of cell sheets to non-patterned substrates.

    • Main Results:

    • Vascular smooth muscle cells formed intact sheets with strong alignment along the micropattern direction.
    • Generated cell sheets were successfully transferred without loss of tissue organization.
    • Demonstrated a method for controlled cell organization and tissue growth.

    Conclusions:

    • Microtextured, thermoresponsive substrates provide a simple strategy for guiding cell organization and tissue growth.
    • Transferable, organized cell sheets can be produced, paving the way for layered tissue engineering.
    • This approach facilitates the creation of complex tissues with multi-length scale organization.